ladish_control

   1 #!/usr/bin/env python
   2 #
   3 # LADI Session Handler (ladish)
   4 #
   5 # Copyright (C) 2008, 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6 #
   7 #*************************************************************************
   8 # This file contains code of the commandline control app
   9 #*************************************************************************
  10 #
  11 # LADI Session Handler is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # LADI Session Handler is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23 # or write to the Free Software Foundation, Inc.,
  24 # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25
  26 service_name = 'org.ladish'
  27
  28 control_object_path = "/org/ladish/Control"
  29 studio_object_path = "/org/ladish/Studio"
  30
  31 control_interface_name = 'org.ladish.Control'
  32 studio_interface_name = 'org.ladish.Studio'
  33
  34 import sys
  35 import os
  36 import time
  37 from traceback import print_exc
  38
  39 import dbus
  40
  41 def bool_convert(str_value):
  42     if str_value.lower() == "false":
  43         return False
  44
  45     if str_value.lower() == "off":
  46         return False
  47
  48     if str_value.lower() == "no":
  49         return False
  50
  51     if str_value == "0":
  52         return False
  53
  54     if str_value.lower() == "(null)":
  55         return False
  56
  57     return bool(str_value)
  58
  59 def dbus_type_to_python_type(dbus_value):
  60     if type(dbus_value) == dbus.Boolean:
  61         return bool(dbus_value)
  62     if type(dbus_value) == dbus.Int32 or type(dbus_value) == dbus.UInt32:
  63         return int(dbus_value)
  64     return dbus_value
  65
  66 def dbus_type_to_type_string(dbus_value):
  67     if type(dbus_value) == dbus.Boolean:
  68         return "bool"
  69     if type(dbus_value) == dbus.Int32:
  70         return "sint"
  71     if type(dbus_value) == dbus.UInt32:
  72         return "uint"
  73     if type(dbus_value) == dbus.Byte:
  74         return "char"
  75     if type(dbus_value) == dbus.String:
  76         return "str"
  77
  78     return None                         # throw exception here?
  79
  80 def dbus_typesig_to_type_string(type_char):
  81     type_char = str(type_char)
  82     if type_char == 'i':
  83         return "sint"
  84     if type_char == 'u':
  85         return "uint"
  86     if type_char == 'y':
  87         return "char"
  88     if type_char == 's':
  89         return "str"
  90     if type_char == 'b':
  91         return "bool"
  92
  93     print 'shit'
  94     return None                         # throw exception here?
  95
  96 def main():
  97     if len(sys.argv) == 1:
  98         print "Usage: %s [command] [command] ..." % os.path.basename(sys.argv[0])
  99         print "Commands:"
 100         print "    exit                 - exit ladish dbus service"
 101         print "    slist                - list studios"
 102         print "    alist                - list apps"
 103         print "    sload <studioname>   - load studio"
 104         print "    sdel <studioname>    - delete studio"
 105         print "    snew [studioname]    - new studio"
 106         print "    sisloaded            - is studio loaded?"
 107         print "    sname                - get studio name"
 108         print "    ssave                - save studio"
 109         print "    sunload              - unload studio"
 110         print "    srename <studioname> - rename studio"
 111         sys.exit(0)
 112
 113     bus = dbus.SessionBus()
 114     control_obj = None
 115     studio_obj = None
 116
 117     # check arguments
 118     index = 1
 119     while index < len(sys.argv):
 120         arg = sys.argv[index]
 121         index += 1
 122         try:
 123             if not control_obj:
 124                 control_obj = bus.get_object(service_name, control_object_path)
 125                 control_iface = dbus.Interface(control_obj, control_interface_name)
 126
 127             if arg == "exit":
 128                 print "--- exit"
 129                 control_iface.Exit()
 130                 time.sleep(1)
 131                 # we have deactivated the object and we need to get new connection if there are more commands
 132                 control_obj = None
 133                 control_iface = None
 134             elif arg == 'slist':
 135                 print "--- studio list"
 136                 for studio in control_iface.GetStudioList():
 137                     name = studio[0]
 138                     mtime = studio[1]['Modification Time']
 139                     print '"%s" last modified on %s' % (name, time.ctime(mtime))
 140             elif arg == 'alist':
 141                 print "--- app list"
 142                 for app in control_iface.GetApplicationList():
 143                     print app
 144             elif arg == 'sload':
 145                 print "--- studio load"
 146                 if index >= len(sys.argv):
 147                     print "load studio command requires studio name argument"
 148                     sys.exit()
 149
 150                 arg = sys.argv[index]
 151                 index += 1
 152
 153                 open_options = {}
 154                 #open_options["option1"] = "asd"
 155                 #open_options["option2"] = True
 156
 157                 control_iface.LoadStudio(arg, open_options)
 158             elif arg == 'sdel':
 159                 print "--- studio delete"
 160                 if index >= len(sys.argv):
 161                     print "delete studio command requires studio name argument"
 162                     sys.exit()
 163
 164                 arg = sys.argv[index]
 165                 index += 1
 166
 167                 control_iface.DeleteStudio(arg)
 168             elif arg == 'snew':
 169                 print "--- studio new"
 170                 name = ""
 171                 if index < len(sys.argv):
 172                     name = sys.argv[index]
 173                     index += 1
 174
 175                 control_iface.NewStudio(name)
 176             elif arg == 'sisloaded':
 177                 print "--- studio is loaded"
 178                 if control_iface.IsStudioLoaded():
 179                     print "yes"
 180                 else:
 181                     print "no"
 182             else:
 183                 if not studio_obj:
 184                     studio_obj = bus.get_object(service_name, studio_object_path)
 185                     studio_iface = dbus.Interface(studio_obj, studio_interface_name)
 186
 187                 if arg == 'sname':
 188                     print "--- studio get name"
 189                     print "\"%s\"" % studio_iface.GetName()
 190                 elif arg == 'ssave':
 191                     print "--- studio save"
 192                     studio_iface.Save()
 193                 elif arg == 'sunload':
 194                     print "--- studio unload"
 195                     studio_iface.Unload()
 196                     studio_obj = None
 197                     studio_iface = None
 198                 elif arg == 'srename':
 199                     print "--- studio rename"
 200                     if index >= len(sys.argv):
 201                         print "rename studio command requires studio name argument"
 202                         sys.exit()
 203
 204                     arg = sys.argv[index]
 205                     index += 1
 206
 207                     studio_iface.Rename(arg)
 208                 else:
 209                     print "Unknown command '%s'" % arg
 210         except dbus.DBusException, e:
 211             print "DBus exception: %s" % str(e)
 212
 213 if __name__ == '__main__':
 214     main()